Mongodb query to find the most common name in each state. "root":{ "user_id":"XdI7w" "name": “Amy” “state”: “CA” “city”: “San-Diego” "friends": 5 }

Q: Display the list of students who are involved in the IT club Display the details of all the…

A: First get the studid from Club table and then get those Student details This can be done using inner…

Q: Q2: Create the database its name ( your name ) and Create below the table if you know : Id Name…

A: 1. database is created of name XYZ then Create Table marks then Insert into marks

Q: Write a query to list the first name and last name of all authors. Concatenate the first and last…

A: The SQL query is: SELECT CONCAT(CONCAT(firstname,' '),lastname) AS FullName FROM author;…

Q: Using the Henry Books database,update the paperback field for the book titled Black Houseto Y. You…

A: “Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: The Car Maintenance team wants to update the price of Oil Change to 75. In addition, they will no…

A: We need to write the MYSQL query to update the price of Oil Change to 75 and remove the maintenance…

Q: 13 The find() method in MongoDB can accept a query object and a projection object. 14 In MongoDB a…

A: In MongoDB, the find() method allows querying documents with a query object and specifying fields to…

Q: line and the results T TRANSACTION; TE FROM people I CT COUNT(*) FROM ЗАСК;

A: DELETE command will delete the row from people table where id=2. Hence, row 2 JENNIFER PARKER NULL…

Q: Create a query that that returns staff members’ names (excluding doctors), their hourly rates,…

A: Create a query that that returns staff members’ names (excluding doctors), their hourly rates,…

Q: How many patients in the database have been diagnosed with acute bronchitis (ICD9Code = 466) and…

A: Count Query :- SELECT COUNT(column_name) FROM table_name WHERE condition; Groupby Query :-…

Q: create database GA2 go use GA2 go create table salesman( salesman_id int primary key,  name…

A: As per the given data, while creating salesman table, you have declared commission with datatype…

Q: Using the Winners table from Figure 12-2, write a parameter query that selects theActor and Actress…

A: A query that has a parameter marker instead of a value of criteria is called as parameter query. The…

Q: Write a trigger to put the total sale order amount before tax (unit price * quantity for all items…

A: The TRIGGER statement can be used to create triggers so that values are populated automatically when…